Electromagnetics

News and Updates

A Smart Use for Doping: Implanted Atoms Create Unique Electrical IDs That Distinguish Bona Fide Devices From Forgeries

September 16, 2021

If someone sells you a luxury handbag from Paris, France, but it turns out be a forgery from Paris, Texas, the counterfeit item might cost you a thousand bucks

NIST Scientists Reveal the Power Behind the Curtain — With Neutrons

September 16, 2020

In a potential step forward for imaging technology, scientists from the National Institute of Standards and Technology (NIST) and Sandia National Laboratories

Building a Better Lithium Ion Source to Build a Better FIB

April 22, 2019

Eight years ago, NIST researchers developed a groundbreaking microscope that uses a narrow beam of low-energy lithium ions, rather than a beam of light or

Projects and Programs

Electric-acoustic spectroscopy for intermolecular interactions in solution

Ongoing

NIST’s Material Measurement Laboratory and Communications Technology Laboratory are developing a new spectroscopy for intermolecular interactions. The team is

The NIST millimeter-wave extrapolation range being prepared for antenna measurements.

Antenna Metrology

Ongoing

Antennas are the eyes, ears and voices of everything from cell phones to interplanetary spacecraft. The Antenna Metrology Program carries on PML's pioneering

Wireless Systems Metrology

Ongoing

Imagine how much safer a fire fighter's job would be if it were possible for a robot to navigate in a burning building and locate those in need of assistance

Passive millimeter-wave image of concealed contraband (handgun and ceramic knife).

Terahertz Imaging and Sources

Ongoing

Imaging in the terahertz frequency range enables the detection of concealed weapons and other contraband (e.g., explosives under clothing) without the use of

Publications

A Robust Algorithm for PAM4 Eye-Diagram Analysis

December 20, 2021

Author(s)

Jeffrey Jargon, Jerome Cheron

We propose a new approach for analyzing PAM4 (pulse amplitude modulation 4-level) eye diagrams that always provides a unique solution by making use of a K-Means

Determining the Angle-of-Arrival of an Radio-Frequency Source with a Rydberg Atom-Based Sensor

October 22, 2021

Author(s)

Amy Robinson, Nik Prajapati, Damir Senic, Matt Simons, Christopher L. Holloway

In this work we demonstrate the use of a Rydberg atom-based sensor for determining the angle-of- arrival of an incident radio-frequency (RF) wave or signal. The

Real-Time mmWave Channel Sounding through Full Digital Beamforming with 3D Dual-Polarized Phased-Array Antennas

September 7, 2021

Author(s)

Derek Caudill, Jack Chuang, Sung Yun Jun, Camillo Gentile, Nada T. Golmie

We describe a 29.5 GHz channel sounder that individually digitizes, through time multiplexing, all antennas of multiple dual-polarized 8 x 8 phased arrays at

Evaluating solder joint failures and solder joint reliability: A side-by-side comparison of Direct Current and Microwave Based Monitoring Techniques

August 23, 2021

Author(s)

Yaw S. Obeng, Papa Amoah

Historically, the evaluating solder joint failures and solder joint reliability have been done with DC methods using event detectors or data loggers for high

Software

On-Wafer Calibration Software

NIST Microwave Uncertainty Framework (Beta version) The NIST Microwave Uncertainty Framework provides a "drag-and-drop" toolkit for managing the calculation of

Tools and Instruments

Large Aperture Scanner

The Large Aperture Scanner (LAS) scans a radar transceiver over a 5 meter by 20 meter aperture. Image reconstruction techniques enable a three-dimensional